context windowThe maximum amount of text a model can consider at once — its working memory for the current conversation or task.Full definition → rot and retrieval design decide whether long-running agents stay accurate. A practitioner overview of agentic RAG, MCP and subagents helps you structure what an AI agentAn AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.Full definition → sees.
Terms in this piece · Glossary
context engineering — Deciding what an agent sees at each step — the discipline that replaced prompt engineering once context windows got large enough to fill badly.
context window — The maximum amount of text a model can consider at once — its working memory for the current conversation or task.
multi-agent — Using several AI agents on one problem — splitting work in parallel, checking each other, or filling different roles like planner and reviewer.
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.